论文部分内容阅读
3G (第三代移动通信系统)代表了第三代网络时代的来临。随着 WAP 和 GPRS 的推行,全球用户对高速数据业务的需求与日俱增,目前的移动Internet 服务,仍不能满足客户的需求。当今,不管是设备制造商,还是运营商,终端用户,大家都非常关心3G 的发展,3G 已成为最热门的话题。从市场需求来看,全球持手机的人数已大大超过上网人数。如中国移动通信用户约6000万而上网人数约1700万;欧洲的移动通信用户是上网用户的4倍,越来越多的用户用手机处理数据。随着 GPRS 的引入,用户将会习惯移动 Internet。市场的需求促进了3G 的发展。阿尔卡特在发展
3G (third generation mobile communication system) represents the advent of the third generation of Internet era. With the advent of WAP and GPRS, the demand of global users for high-speed data services is increasing day by day. The current mobile Internet services still can not meet the needs of customers. Today, whether it is equipment manufacturers, or operators, end users, we are very concerned about the development of 3G, 3G has become the hot topic. From the market demand, the number of people holding mobile phones worldwide has greatly exceeded the number of people online. Such as China’s mobile communications users about 60 million while the number of Internet users about 17 million; European mobile communications users is 4 times the number of Internet users, more and more users to use mobile phones to process data. With the introduction of GPRS, users will get used to moving the Internet. The demand of the market has promoted the development of 3G. Alcatel is developing